1468492139 has 2 divisors, whose sum is σ = 1468492140. Its totient is φ = 1468492138.

The previous prime is 1468492133. The next prime is 1468492141. The reversal of 1468492139 is 9312948641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1468492139 - 2²⁴ = 1451714923 is a prime.

It is a Sophie Germain prime.

Together with 1468492141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1468492093 and 1468492102.

It is not a weakly prime, because it can be changed into another prime (1468492133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734246069 + 734246070.

It is an arithmetic number, because the mean of its divisors is an integer number (734246070).

Almost surely, 2^1468492139 is an apocalyptic number.

1468492139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1468492139 is an equidigital number, since it uses as much as digits as its factorization.

1468492139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 47.

The square root of 1468492139 is about 38320.9099448330. The cubic root of 1468492139 is about 1136.6424599705.

The spelling of 1468492139 in words is "one billion, four hundred sixty-eight million, four hundred ninety-two thousand, one hundred thirty-nine".